New 3-1 Sheetfed scanner PS-4200 is good for scanning Receipts, documents, books & pictures and name cards at either 600 dpi in 36-bit color or 300 DPI in monochromatic mode. Powered by 4 x AA batteries, PS-4200 is a standalone scanner that can approximately scan 200 pages and directly saved to the Micro SD card. Weighing just 7.47 ounces, this portable scanner is an ideal companion for the mobile professional. It produces fast and easy scans to organize all of your receipts, business cards, documents, and photos in JPEG files and directly saved to your micro SD card. The maximum scanning size is A4 size. This portable scanner scans full pages in as little as six seconds, and is compatible with Microsoft Windows 7 / Vista/XP and Mac OS 10.4 or above